摘要本文论述了集成农作物种植理论和实用技术、远程农作物病虫害诊断专家系统的构建和实现。在比较国内外农业专家系统构思的基础上，论证了本系统实施的方案，实现了农作物病虫害诊断专家系统的网络化，扩大了农作物病虫害诊断专家系统应用的空间范围。文中主要以病害诊断为例着重介绍了规则库的建立、推理机的设计。论文前半部分首先对农作物病虫害诊断专家系统研究的背景、课题的研究内容、农业专家系统在国内外的研究、专家系统概况作了较全面的介绍和阐述，说明了本课题的研究目的和意义，接着对本课题专家系统的核心部分——知识表示和推理机的设计进行了阐述。论文后半部分是对于专家系统的总体设计、数据库设计以及界面功能进行了详细论述，并用其设计专家系统开发平台的框架模型。关键词：农业专家系统推理机病虫害AbstractThispaperdiscussesthestructureandachievementofthetheoryofintegratedcropplanting,practicaltechnologyandtheexpertsystemofremotecropdiseasesandinsectpestsdiagnosis.Contrastofthedomesticandforeignagriculturalexpertsystemconception,itdemonstratesthesystemoftheimplementationoftheschemethatrealizingthenetworkoftheexpertsystemofremotecropdiseasesandinsectpestsdiagnosisandenlargingthespatialdimension.Itintroducestheestablishmentofrule-baseandthedesignoftheinferenceenginewhichtakesdiseasescreeningasexample.Theprecedinghalfpartofthesisstressesthebackgroundandcontentofexpertsystemofremotecropdiseasesandinsectpestsdiagnosis,alsostatesofresearchbothathomeandbroadandgeneralsituationofexpertsystem.Thenintroducethemainpartthatisthedesignoftheinferenceengine.Thelastpartofthethesisanalyzestheoveralldesignofexpertsystem,basedesignandInterfaceandFunctioninordertoapplytothemodel.Keywords：Agriculturalexpertsystem,inferenceengine,diseasesandpests目录1绪论..................................................11.1课题的研究的背景和意义...........................................................................11.2课题的国内外研究现状...............................................................................21.3课题的主要研究内容...................................................................................21.4论文的组织结构...........................................................................................32核心机制研究...........................................42.1专家系统的特点...........................................................................................42.2.专家系统的结构..........................................................................................42.3知识库构建..................................................................................................52.3.1知识获取...............................................52.3.2知识表示...............................................62.3.3规则示例...............................................82.4推理机的设计...............................................................................................92.4.1推理机的算法设计......................................103系统总体设计分析......................................123.1需求分析..................................................123.1.1用户需求分析..........................................123.1.2初步设计分析..........................................133.2系统功能需求分析..........................................133.2.1系统功能层次模块图....................................133.2.2系统功能需求分析.....................................143.3系统性能需求分析..........................................163.3....
